New beta released appears to address the memory issue that caused the watchdog reboot. A MikroTik trainer has tested locally and it appears to mitigate a reboot during an attack. If this is indeed the fix hopefully it moves to stable and bugfix only branches soon.
*What's new in 6.45beta23 (2019-Apr-01 05:51):* *MAJOR CHANGES IN v6.45:* *----------------------* *!) ipv6 - fixed soft lockup when forwarding IPv6 packets;* *!) ipv6 - fixed soft lockup when processing large IPv6 Neighbor table;* *---------------------- * *Changes in this release:* **) ipsec - properly drop already established tunnel when address change detected;* **) ipv6 - adjust IPv6 route cache max size based on total RAM memory;* **) smb - fixed possible buffer overflow;*
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